MFI
BLK
BLK
PK
5
3
Electrical Systems
7.50
Fuel Level Sensor -- Carbureted Models
The fuel gauge is operated through a voltage signal at the fuel tank sending unit. The sending unit resistance
changes with the height of the float in the sender. To check for proper sending unit operation connect an ohmmeter
to the wires as shown.
Check all wiring connections and refer to the wiring diagram at the end of this section for correct connections
at the gauge assembly.
Fuel Level Sensor Wiring Diagram -- Carbureted Models
Fuel Sending Unit Resistance (All Models)
Full (Float up) - 33 Ohms
Empty (Float down) - 240 Ohms
All readings ± 10% at room temperature.
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